SLVCHN.ZIP should contain the following files:

        CONTENTS.TXT - the file you're reading
        SOLVECHN.086 - SolveCHN for 8088/8086 machines
        SOLVECHN.087 - SolveCHN for 8088/8086 machine with a math coprocessor
        SOLVECHN.286 - SolveCHN for 80286 and higher machines
        SOLVECHN.287 - SolveCHN for 80286 and higher machines
                       with a math coprocessor
        SOLVECHN.DOC - Documentation for the SolveCHN program

See the SOLVECHN.DOC file for instructions on running the program.